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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
01631000 SOUTH FORK SHENANDOAH RIVER AT FRONT ROYAL, VA
LOCATION.--Latitude 38°54'50", Longitude 78°12'40", North American Datum of 1927,
                    Warren County, VA, Hydrologic Unit 02070005.
DRAINAGE AREA.--1,634 square miles.
PERIOD OF RECORD.--June 1899 to September 1906, October 1930 to current year. Monthly discharge only for some periods, published in WSP 1302.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Flow at low and medium stages is regulated by operation of powerplants above station prior to 1954, occasional large diurnal fluctuation thereafter.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01631000 plot. SOUTH FORK SHENANDOAH RIVER AT FRONT ROYAL, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 688.43 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 7-Day Average Streamflow
            Flow values in cubic feet per second


                01631000     SOUTH FORK SHENANDOAH RIVER AT FRONT ROYAL, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
230
385
452
758
1,300
2,240
3,730
4,900
22,200
 
85
February
230
431
589
956
1,520
2,570
4,140
5,580
15,100
 
85
March
290
670
864
1,310
2,060
3,370
5,360
6,990
30,100
 
85
April
457
780
942
1,240
1,840
2,930
4,910
6,520
18,700
 
85
May
437
654
761
982
1,520
2,300
3,620
4,690
17,400
 
85
June
321
443
527
712
964
1,450
2,440
3,950
22,600
 
85
July
201
340
397
495
670
903
1,240
1,860
9,820
 
85
August
204
289
331
427
548
866
1,570
2,490
21,400
 
85
September
152
293
324
399
511
816
1,730
3,040
32,000
 
85
October
164
297
322
392
522
926
2,160
3,790
32,100
 
85
November
196
313
373
447
634
1,280
2,490
3,360
34,100
 
85
December
197
352
390
563
1,060
1,800
3,120
4,270
14,000
 
85
 
       

The current 7-day running-average value for 03/22/2017 is 688.43 cubic feet per second.

---- Provisional Data Subject to Revision ----

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